Olympus MIC-D Reparatur-Handbuch - Seite 10
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MIC-D
4. The Light emitting Diode (LED) does not light up.
Refer to "Camera does not recognize" in
troubleshooting.
Connection cable between circuit board
is disconnected and light intensity board has
damage
(Change the cable and light intensity board.)
Volume switch parts ass'y has damage.
(Change the Volume switch parts ass'y.)
Light intensity board
(Change the
B. TROUBLESHOOTING
NO
Turn on the brightness
adjustment knob.
NO
NO
CMOS board ass'y has damage.
(USB camera)
(Change the CMOS board ass'y.)
NO
NO
Volume switch parts ass'y
has damage.
(Change the Volume switch parts
ass'y.)
NO
NO
has damage.
light intensity board
.)
Brightness adjustment
knob is ON.
YES
LED in D3 of CMOS
board ass'y is lighting up.
YES
J4-1 15 [V] and J4-2
3.3 [V] of CMOSoard ass'y
are OK.
YES
J1-1 15 [V] and J1-2
3.3 [V] of light intensity board
are OK.
YES
J3-3 of light intensity board is
turned ON/OFF by turning ON/OFF the
brightness adjustment knob .
YES
J4-1 5.5 [V]
of Volume switch parts
ass'y is OK.
YES
Pulse in J4-2 of
light intensity board
is output.
YES
LED of white color has damage.
(Change the LED of white color.)
B-4